<template>
  <el-container class="home-container">
    <!-- 头部 -->
    <el-header>
      <div>
        <img src="../assets/1.webp" alt="" />
        <span>电商后台管理系统</span>
      </div>
      <el-button type="info" @click="logout">退出</el-button>
    </el-header>
    <!-- 页面主体 -->
    <el-container>
      <!-- 侧边栏 -->
      <el-aside :width="isCollapse ? '64px' : '200px'">
        <div class="toggle-button" @click="toggleCollapse">|||</div>
        <el-menu
          background-color="#333744"
          text-color="#fff"
          active-text-color="#409eff"
          unique-opened
          :collapse="isCollapse"
          :collapse-transition="false"
          router
          :default-active="activePath"
        >
          <el-submenu
            :index="item.id + ''"
            v-for="item in menulist"
            :key="item.id"
          >
            <template slot="title">
              <i :class="iconsObj[item.id]"></i>
              <span>{{ item.authName }}</span>
            </template>
            <!-- 二级菜单 -->
            <el-menu-item
              :index="'/' + subItem.path + ''"
              v-for="subItem in item.children"
              :key="subItem.id"
              @click="saveNavState('/' + subItem.path)"
            >
              <template slot="title">
                <i class="el-icon-menu"></i>
                <span>{{ subItem.authName }}</span>
              </template>
            </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <!-- 右边主体内容 -->
      <el-main>
        <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>
<script>
export default {
  data() {
    return {
      //左侧菜单数据
      menulist: [],
      iconsObj: {
        125: "el-icon-user-solid",
        103: "el-icon-s-tools",
        101: "el-icon-s-goods",
        102: "el-icon-s-order",
        145: "el-icon-s-marketing",
      },
    //   菜单是否折叠
      isCollapse: false,
      //激活后的链接地址
      activePath:''
    }
     
  },
  created() {
    this.getMenuList()
    this.activePath = window.sessionStorage.getItem('activePath')
  },
  methods: {
    logout() {
      window.sessionStorage.clear()
      this.$router.push("/login")
    },
    async getMenuList() {
      const { data: res } = await this.$http.get("menus")
      if (res.meta.status !== 200) return this.$message.error(res.mate.msg)
      this.menulist = res.data
      console.log(res)
    },
    //点击按钮，菜单的折叠跟展开
    toggleCollapse() {
      this.isCollapse = !this.isCollapse
    },
    saveNavState(activePath) {
      window.sessionStorage.setItem("acticePath", activePath)
      this.activePath = activePath
    },
  },
}
</script>
<style lang="less" scoped>
.home-container {
  height: 100%;
  .el-header {
    background-color: #373d41;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #fff;
    div {
      display: flex;
      align-items: center;
      img {
        width: 50px;
        height: 50px;
        margin-top: 5px;
      }
      span {
        margin-left: 20px;
      }
    }
  }
  .el-aside {
    background-color: #333744;
    .el-menu {
      border-right: none;
    }
  }
  .el-main {
    background-color: #eaedf1;
  }
}
.toggle-button {
  background-color: #4a5064;
  font-size: 10px;
  line-height: 24px;
  color: #fff;
  text-align: center;
  letter-spacing: 0.2em;
  cursor: pointer;
}
</style>